MACOM Technology Solutions Holdings, Inc., together with its subsidiaries, offers analog semiconductor solutions for use in wireless and wireline applications across the radio frequency (RF), microwave, millimeter wave, and lightwave spectrum. The company offers a portfolio of standard and custom devices, including integrated circuits, multi-chip modules, diodes, amplifiers, switches and switch limiters, passive and active components, and subsystems. Its semiconductor products are electronic components that are incorporated in electronic systems, such as wireless base stations, high-capacity optical networks, radar, and medical systems, satellite networks, and test and measurement applications. The company serves various markets comprising telecommunication that includes carrier infrastructure, which comprise long-haul/metro, 5G and 6G infrastructure, satellite communications, and fiber-to-the-X/passive optical network; industrial and defense, including military and commercial radar, RF jammers, electronic countermeasures, and communication data links, as well as multi-market applications, such as industrial, medical, test and measurement, and scientific applications; and data centers. It sells its products through direct sales force, applications engineering staff, independent sales representatives, resellers, and distributors. The company operates in the United States, China, Japan, Singapore, South Korea, Taiwan, and internationally. MACOM Technology Solutions Holdings, Inc. was formerly known as M/A-Com Technology Solutions Holdings, Inc. and changed its name to MACOM Technology Solutions Holdings, Inc. in June 2016. The company was founded in 1950 and is headquartered in Lowell, Massachusetts.

Qorvo, Inc. engages in development and commercialization of technologies and products for wireless, wired, and power markets worldwide. It operates through three segments: High Performance Analog (HPA), Connectivity and Sensors Group (CSG), and Advanced Cellular Group (ACG). The HPA segment supplies radio frequency and power management solutions for defense and aerospace, and 5G and 6G infrastructure markets. The CSG segment supplies connectivity and sensor solutions featuring various technologies, such as UWB, Matter, Bluetooth Low Energy, Zigbee, Thread, Wi-Fi, cellular IoT, and MEMS-based sensors. It serves smart home, industrial automation, automotive, smartphones, wearables, gaming, and industrial and enterprise access points markets. The ACG segment supplies cellular RF solutions for smartphones, wearables, laptops, tablets, and various other devices. It also offers foundry services for defense primes and other defense and aerospace customers. The company sells its products directly to original equipment manufacturers and original design manufacturers, as well as through a network of sales representative firms and distributors. Qorvo, Inc. was founded in 1957 and is headquartered in Greensboro, North Carolina.

Amkor Technology, Inc. provides outsourced semiconductor packaging and test services in the United States, Japan, Europe, the Middle East, Africa, and the Asia Pacific. It offers turnkey packaging and test services, including semiconductor wafer bump, wafer probe, wafer back-grind, package design, packaging, system-level and final test, and drop shipment services; flip chip scale package products for smartphones, tablets, and other mobile consumer electronic devices; flip chip stacked chip scale packages that are used to stack memory digital baseband, and as applications processors in mobile devices; flip-chip ball grid array packages for various networking, storage, computing, automotive, and consumer applications; and memory products for system memory or platform data storage. The company also provides wafer-level CSP packages for power management, transceivers, sensors, wireless charging, codecs, radar, and specialty silicon; wafer-level fan-out packages used in power management, transceivers, radar, and specialty silicon; silicon wafer integrated fan-out technology that replaces a laminate substrate with a thinner structure; leadframe packages for electronic devices and mixed-signal applications; and substrate-based wirebond packages used to connect a die to a substrate. In addition, it offers micro-electro-mechanical systems packages that are miniaturized mechanical and electromechanical devices; and advanced system-in-package modules used in radio frequency and front end modules, basebands, connectivity, fingerprint sensors, display and touch screen drivers, sensors and MEMS, and NAND memory and solid-state drives. Further, the company provides wafer, package, and system level test services, as well as burn-in test and test development services. It serves integrated device manufacturers, fabless semiconductor companies, original equipment manufacturers, and contract foundries. The company was founded in 1968 and is headquartered in Tempe, Arizona.

ESCO Technologies Inc. produces and supplies engineered products and systems for industrial and commercial markets worldwide. It operates through three segments: Aerospace & Defense, Utility Solutions Group, and RF Test & Measurement. The Aerospace & Defense segment designs and manufactures filtration products, including hydraulic filter elements and fluid control devices used in commercial aerospace applications; filter mechanisms used in micro-propulsion devices for satellites; and custom designed filters for manned aircraft and submarines. It also designs, develops, and manufactures elastomeric-based signature reduction solutions for U.S. naval vessels; and mission-critical bushings, pins, sleeves, and precision-tolerance machined components for landing gear, rotor heads, engine mounts, flight controls, and actuation systems for the aerospace and defense industries. The Utility Solutions Group segment provides diagnostic testing solutions that enable electric power grid operators to assess the integrity of high-voltage power delivery equipment; and decision support tools for the renewable energy industry, primarily wind and solar. The RF Test & Measurement segment designs and manufactures RF test and secure communication facilities, acoustic test enclosures, RF and magnetically shielded rooms, RF measurement systems, and broadcast and recording studios; and RF absorptive materials, filters, antennas, field probes, test cells, proprietary measurement software, and other test accessories to perform various tests. The company distributes its products through a network of distributors, sales representatives, direct sales teams, and in-house sales personnel. The company was incorporated in 1990 and is based in Saint Louis, Missouri.

Knowles Corporation offers capacitors, radio frequency (RF) filtering products, balanced armature speakers, micro-acoustic microphones, and audio solutions in Asia, the United States, Europe, other Americas, and internationally. It operates through three segments: Precision Devices (PD); Medtech & Specialty Audio (MSA); and Consumer MEMS Microphones (CMM). The PD segment designs and delivers film, electrolytic, and mica capacitor products for use in power supplies and medical implants; electromagnetic interference filters; and RF filtering solutions for use in satellite communications and radar systems for defense applications. The MSA segment designs and manufactures balanced armature speakers and microphones for the hearing health, audio, and True Wireless Stereo (TWS) markets. The CMM segment designs and manufactures micro-electro-mechanical systems (MEMS) microphones and audio solutions used in applications that serve the ear, mobile, TWS, Internet of Things, computing, and smartphones markets. The company serves the defense, medtech, electric vehicle, industrial, communications, and consumer electronics markets through original equipment manufacturers, their contract manufacturers, suppliers, sales representatives, and distributors. Knowles Corporation was founded in 1946 and is headquartered in Itasca, Illinois.

Frequency Electronics, Inc., together with its subsidiaries, engages in designing, development, and manufacturing of precision time and frequency control products and components for microwave integrated circuit applications. It operates through two segments: FEI-NY and FEI-Zyfer. The FEI-NY segment offers precision time and frequency control products for communication satellites, terrestrial cellular telephone or other ground-based telecommunication stations; and other components and systems for the U.S. military; and provides design and technical support for satellite business. The FEI-Zyfer segment offers global positioning system technologies to systems and subsystems for secure communications, both government and commercial, and other locator applications; and engages in sale and support of wireline telecommunications products, including US5G. It markets its products directly and through independent sales representative organizations located in the United States, Europe, and Asia. Frequency Electronics, Inc. was founded in 1961 and is headquartered in Mitchel Field, New York.

RF Industries, Ltd., together with its subsidiaries, designs, manufactures, and markets interconnect products and systems in the United States, Canada, Italy, Mexico, and internationally. The company operates through two segments, RF Connector and Cable Assembly, and Custom Cabling Manufacturing and Assembly. The company designs, manufactures, and distributes various coaxial connectors and cable assemblies that are integrated with coaxial connectors; custom copper and fiber cable assemblies, complex hybrid fiber optic and power solution cables, adapters, and electromechanical wiring harnesses for communication, computer, LAN, automotive, and medical equipment; energy-efficient cooling systems for wireless base stations and remote equipment shelters; and custom-designed pole-ready 5G small cell integrated enclosures. It also designs and manufactures cable assemblies and wiring harnesses for blue chip industrial, oilfield, instrumentation, medical, and military customers; connectivity solutions to telecommunications and data communications distributors; thermal control systems; and radio frequency and microwave distribution system products, such as dividers, directional couplers, and filters. The company sells its products through warehousing distributors and in-house marketing and sales team. It serves telecommunications carriers and equipment manufacturers, wireless and network infrastructure carriers, and original equipment manufacturers. The company was formerly known as Celltronics, Inc. and changed its name RF Industries, Ltd. in November 1990. RF Industries, Ltd. was incorporated in 1979 and is headquartered in San Diego, California.

AmpliTech Group, Inc. designs, engineers, and assembles micro-wave component-based amplifiers. The company's products include radio frequency (RF) amplifiers and related subsystems, such as low noise amplifiers for use in receivers of various communication systems comprising Wi-Fi, radar, satellite, base station, cell phone, radio, etc.; and medium power amplifiers that provide enhanced output power and gain in transceiver chains. It provides specialty microwave block downconverters used as a test device on satellite access point antennas; specialty microwave 1:2 Tx protection switch panels that is used in satellite communication earth stations; desktop/benchtop and compact wideband power amplifiers used in SATCOM rack mount systems, as well as test equipment used in integrators and manufacturers of various communications systems, such as cellular base stations, simulators, and point to point wireless radios; and waveguide to coaxial adapters for SATCOM and satellite internet gateway systems. In addition, the company offers cryogenic amplifiers for quantum computing, medical, RF imaging, research and development, space communications, accelerators, radiometry, and telephony applications; and cryogenic and non-cryogenic 4g/5g small cell subsystems for high-speed networks and airline Wi-Fi systems. Further, it provides custom assembly designs and non-recurring engineering services on a project-by-project basis, as well as IC packaging and lids products. The company serves aerospace, government, defense, commercial satellite, and wireless industries through sales representatives and distributors in the United States, Europe, the Middle East, and South Asia. AmpliTech Group, Inc. was founded in 2002 and is based in Hauppauge, New York.